USGS · 12502500

AHTANUM CREEK

USGS · 12502500LIVE

AHTANUM CREEK AT UNION GAP, WA

YAKIMA COUNTY, WA46.5360°N, -120.4734°W Updated 1 hr ago

FLOW RATE

11.5cfs

GAUGE HT

2.93ft

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

11.5cfs 51.0% vs avg

Optimal band: 8–11 cfs

PERIOD HIGH

11.5cfs

PERIOD LOW

8.46cfs

RUNNABLE

80%

last 1 day in band

Gauge Height

2.93ft

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

6.5in

≈ normal

6.48 in of precipitation so far this year — about average for this point in the season (normal 7.08 in).

YTD Total

6.5in

This year so far

Normal to Date

7.1in

30-yr average

Typical Range

5.0–9.9in

10th–90th pct YTD

Departure

-8%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.81" · normal 2.25" (0.9–3.8)

Jan

Feb: 1.58" · normal 1.61" (0.5–3.2)

Feb

Mar: 2.30" · normal 1.28" (0.5–2.3)

Mar

Apr: 1.15" · normal 0.79" (0.1–1.3)

Apr

May: 0.51" · normal 0.73" (0.3–1.3)

May

Jun: 0.14" · normal 0.37" (0.1–0.7)

Jun

Jul: 0.00" (so far)· normal 0.13" (0.0–0.3)

Jul

Aug: normal 0.11" (0.0–0.3)

Aug

Sep: normal 0.32" (0.0–0.7)

Sep

Oct: normal 1.14" (0.3–2.1)

Oct

Nov: normal 2.05" (0.7–3.7)

Nov

Dec: normal 2.56" (1.4–3.9)

Dec

Baseline 1991–2020 · Source: Open-Meteo23:13 UTC

Your History · AHTANUM CREEK AT UNION GAP, WA

Track your history

Station Location

46.5360, -120.4734

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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 10:30 UTC

Site #12502500·USGS

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